G - Physics – 01 – R
Patent
G - Physics
01
R
324/70
G01R 21/06 (2006.01) G01R 21/133 (2006.01)
Patent
CA 2038942
ABSTRACT The company known as: MANUFACTURE D'APPAREILLAGE ELECTRIQUE DE CAHORS "Process for metering electrical energy and device for carrying out said process" (An invention of: Pierre BOURRIERES and Jean-Paul BERRY) The process for metering electrical energy passing at a specific point of a single-phase network comprises the simultaneous steps of periodic acquisition of respective information on the current (I2) and voltage (U) at the said network point and a step of processing this information in order to generate an information item on the measurement of electrical energy. each step of acquiring the current information comprises the following steps: A/ the introduction into a winding (10a) of a magnetic circuit (10) of predetermined structure sur- rounding one (LA) of the liens (LA, LB) of the network of a current (I1 + Ic) substantially proportional to the sum of a modulating current (kI1) and of a so-called compen- sating current (kIc), B/ the detection at the terminals of the said winding (10a) of an overvoltage leading to an immediate acquisition of the said compensating current (kIc) as an image of the current (I2) circulating in the line (LA). The invention is used for the electronic metering of energy in domestic installations, especially with the possibility of tele-transfer and tele-data. (See Figure 1).
Berry Jean-Paul
Bourrieres Pierre
Berry Jean-Paul
Bourrieres Pierre
Fetherstonhaugh & Co.
Manufacture D'appareillage Electrique de Cahors
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